The bulk of the materials pertain to Gerda G. Fillenbaum's involvement with the following programs: Epidemiologic Catchment Area (ECA), Establishment of Populations for Epidemiologic Studies of the Elderly (EPESE), Longitudinal Retirement History Survey (LRHS), MacArthur Project on Successful Aging, and Piedmont Health Survey of the Elderly (PHSE). Materials date from 1971 to 1999.